378 



TIMBER AND TIMBER TREES. 



[chap. 



Table CLVII.— Spruce (Canada). 

 Transverse Experiments. 



Remarks. — No. i broke with about 12 inches length of fracture ; 2, 3, and 4 with 

 only a little less. 



Table CLVIII. 



Tensile Experiments. 



(Dimensions of each piece, 2 X 2 X 30 inches, s.g. 484.) 



Table CLIX. 

 Vertical or Crushing Strain on cubes of 2 inches. 



